Finding the Fourth Proportional to 483.35, 724.86 and 158.63
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Solution
The fourth proportional to 483.35, 724.86 and 158.63 is: 237.89
Step by Step Solution
- Step 1: Write the proportion equation
483.35 : 724.86 = 158.63 : x - Step 2: Convert to fraction form
483.35/724.86 = 158.63/x - Step 3: Cross multiply
483.35x = 724.86 × 158.63 - Step 4: Simplify right side
483.35x = 114,980.92 - Step 5: Solve for x
x = 114,980.92/483.35 - Step 6: Final answer
x = 237.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.